RFD: Integrate shorten_branches, machine-dependent constant pool placement and small-scale hot/cold partitioning

[Mike Stump]

On May 16, 2006, at 3:13 AM, Richard Earnshaw wrote:
>> I wonder now if I should keep this as SH-specific code, or does it  
>> make
>>  sense to write this a bit more generic - i.e. a variable number of
>>  constant ranges, configurable size of small cold blocks, and the  
>> range
>>  of branches selectable - and provide this as a new piece of gcc
>>  infrastructure.
>
> Yes, the problem on Thumb-1 is the same in almost all respects

> Given the distinct similarities here, I think it is worth  
> investigating
> whether some common solution can be found.  It's silly for both  
> backends
> to be maintaining code that does substantially the same thing.

I think sharing of port common code is worthwhile.